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Thread: Coby Kyros MID1042 Problem

  1. #1
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    Coby Kyros MID1042 Problem [Corrupted su & Superuser.apk] [FIXED]

    I have a Coby Kyros MID1042 that has a corrupted Superuser.apk

    I have attempted to reset to factory and to re-root using ADB. This has failed, because the file already exists and all of the rooting tools (and manual attempts) to copy the file will not overwrite the existing. I am able to boot the tablet as normal and I can access the system recovery, but I cannot use any of the custom roms because they fail signature verification. I cannot upgrade the rom manager because I can't get root.

    So....my question is this....does anyone have the stock rom for the MID1042 that will pass signature verification? Or any other rom for that matter that will pass?
    Last edited by mvancil; 12-26-2012 at 05:50 PM.

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  3. #2
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    Use adb to root your device, then use adb to replace Superuser.apk.
    If you like my work buy me a coffee!!!

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    Due to the overwhelming PM's that I receive, I am unable to answer all the questions and many questions are duplicates so PLEASE post all questions on this forum so I may better help you and any others who are having the same issues.

    No PM's regarding windows questions will be answered, I am a Linux Guy.

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    Quote Originally Posted by vampirefo. View Post
    Use adb to root your device, then use adb to replace Superuser.apk.
    As stated before....that didn't work.

  5. #4
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    no way it can't work, you are simply do it wrong, post exact commands you are using.
    If you like my work buy me a coffee!!!

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    Due to the overwhelming PM's that I receive, I am unable to answer all the questions and many questions are duplicates so PLEASE post all questions on this forum so I may better help you and any others who are having the same issues.

    No PM's regarding windows questions will be answered, I am a Linux Guy.

  6. #5
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    Quote Originally Posted by vampirefo. View Post
    no way it can't work, you are simply do it wrong, post exact commands you are using.
    It's absolutely does not work. I do know what I'm doing. The problem is that it will not overwrite any files that already exist, and I cannot erase them without root access. Here's an example of the commands issued...

    adb.exe push data /data/local/tmp/
    adb.exe shell chmod 0777 /data/local/tmp/mempodroid
    adb.exe shell /data/local/tmp/mempodroid 0xd7cc 0xad27 sh /data/local/tmp/root.sh

  7. #6
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    I also attempted to use the -f flag to force the overwrite, but that doesn't work.

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    Oh....and the root script...

    busybox mount -o remount,rw /system


    cd /data/local/tmp
    busybox cp su /system/xbin/su
    busybox cp reboot-recovery /system/bin/reboot-recovery
    chmod 755 /system/bin/reboot-recovery
    chown 0:0 /system/xbin/su
    chmod 6755 /system/xbin/su
    busybox ln -sf /system/xbin/su /system/bin/su


    busybox cp Superuser.apk /system/app/Superuser.apk
    chown 0:0 /system/app/Superuser.apk
    chmod 0644 /system/app/Superuser.apk

  9. #8
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    adb shell

    su

    mount -o remount,rw /system

    rm -r /system/app/Superuser.apk
    If you like my work buy me a coffee!!!

    Donations Appreciated


    Due to the overwhelming PM's that I receive, I am unable to answer all the questions and many questions are duplicates so PLEASE post all questions on this forum so I may better help you and any others who are having the same issues.

    No PM's regarding windows questions will be answered, I am a Linux Guy.

  10. #9
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    adb server is out of date. killing...
    * daemon started successfully *
    shell@android:/ $ su
    su
    Segmentation fault
    139|shell@android:/ $ mount -o remount,rw /system


    rm -r /system/app/Superuser.apkmount -o remount,rw /system


    mount: Operation not permitted
    255|shell@android:/ $
    255|shell@android:/ $

  11. #10
    Developer
    Points: 24,391, Level: 95
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    ok so you aren't rooted, you need root to remove /system files.
    If you like my work buy me a coffee!!!

    Donations Appreciated


    Due to the overwhelming PM's that I receive, I am unable to answer all the questions and many questions are duplicates so PLEASE post all questions on this forum so I may better help you and any others who are having the same issues.

    No PM's regarding windows questions will be answered, I am a Linux Guy.


 
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